GitLab

Before this change the server had no knowledge of whether or not the
onboarding was shown to the user in this run.
To be able to log this, a new flag is now sent to the server in the
requests for getting scripts.

Adding unit tests to check new behaviour.

Bug: b/142846407
Change-Id: Ic77bbc70c8add122beaff80a47e3cf7dca4454d7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1866631
Commit-Queue: Sandro Maggi <sandromaggi@google.com>
Reviewed-by: Clemens Arbesser <arbesser@google.com>
Reviewed-by: Mathias Carlen <mcarlen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#707763}